(Raspberry|Orange|..) Pi UPS
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(Rapsberry|Orange|..) Pi UPS

More info will follow shortly.

@see www.ibisek.com

Hardware installation instructions


Software installation instructions

  1. Install package dependencies:

    sudo apt-get install python3-smbus
  2. Enable I2C

    sudo raspi-config

    Go to "5 Interfacing Options" -> "I2C" -> select Yes

    and reboot.

  3. Get the control script from https://github.com/ibisek/piups

    git clone https://github.com/ibisek/piups.git
    cd piups


    cd /opt
    mkdir piups
    cd piups
    wget https://raw.githubusercontent.com/ibisek/piups/master/autoShutdown.py
    wget https://raw.githubusercontent.com/ibisek/piups/master/autoShutdown.sh
    wget https://raw.githubusercontent.com/ibisek/piups/master/piups.py
  4. Test the UPS is connected and works fine:

    python3 piups.py status

    You should see some information like HW & SW versions, batery voltage and possibly others at this stage

  5. Add a user under which this script will run to sudoers to be able to shutdown the machine:

    sudo vim /etc/sudoers

    and add at the end of the file

    <your username> ALL=(ALL) NOPASSWD: /sbin/shutdown
  6. Configure your crontab

    crontab -e

    and append

    @reboot /usr/bin/python3 /path/to/piups.py start & >/ dev/null

Pi shutdown with UPS

Shutting down your pi correctly means executing

python3 piups.py halt

Calling halt/shutdown/poweroff/whateverelse will just shutdown your pi but not turn off the UPS. In such case the UPS will turn off after configured limits without power - either timeout or battery level - whichever comes first.